LCOV - code coverage report
Current view: top level - auditordb - pg_get_bad_sig_losses.c (source / functions) Hit Total Coverage
Test: coverage.info Lines: 34 40 85.0 %
Date: 2025-06-05 21:03:14 Functions: 2 2 100.0 %

          Line data    Source code
       1             : /*
       2             :    This file is part of TALER
       3             :    Copyright (C) 2024 Taler Systems SA
       4             : 
       5             :    TALER is free software; you can redistribute it and/or modify it under the
       6             :    terms of the GNU General Public License as published by the Free Software
       7             :    Foundation; either version 3, or (at your option) any later version.
       8             : 
       9             :    TALER is distributed in the hope that it will be useful, but WITHOUT ANY
      10             :    WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
      11             :    A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
      12             : 
      13             :    You should have received a copy of the GNU General Public License along with
      14             :    TALER; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
      15             :  */
      16             : #include "platform.h"
      17             : #include "taler_error_codes.h"
      18             : #include "taler_dbevents.h"
      19             : #include "taler_pq_lib.h"
      20             : #include "pg_helper.h"
      21             : #include "pg_get_bad_sig_losses.h"
      22             : 
      23             : 
      24             : struct BadSigLossesContext
      25             : {
      26             : 
      27             :   /**
      28             :    * Function to call for each bad sig loss.
      29             :    */
      30             :   TALER_AUDITORDB_BadSigLossesCallback cb;
      31             : 
      32             :   /**
      33             :    * Closure for @e cb
      34             :    */
      35             :   void *cb_cls;
      36             : 
      37             :   /**
      38             :    * Plugin context.
      39             :    */
      40             :   struct PostgresClosure *pg;
      41             : 
      42             :   /**
      43             :    * Query status to return.
      44             :    */
      45             :   enum GNUNET_DB_QueryStatus qs;
      46             : };
      47             : 
      48             : 
      49             : /**
      50             :  * Helper function for #TAH_PG_get_bad_sig_losses().
      51             :  * To be called with the results of a SELECT statement
      52             :  * that has returned @a num_results results.
      53             :  *
      54             :  * @param cls closure of type `struct BadSigLossesContext *`
      55             :  * @param result the postgres result
      56             :  * @param num_results the number of results in @a result
      57             :  */
      58             : static void
      59          22 : bad_sig_losses_cb (void *cls,
      60             :                    PGresult *result,
      61             :                    unsigned int num_results)
      62             : {
      63          22 :   struct BadSigLossesContext *dcc = cls;
      64          22 :   struct PostgresClosure *pg = dcc->pg;
      65             : 
      66          54 :   for (unsigned int i = 0; i < num_results; i++)
      67             :   {
      68             :     struct TALER_AUDITORDB_BadSigLosses dc;
      69          32 :     struct GNUNET_PQ_ResultSpec rs[] = {
      70          32 :       GNUNET_PQ_result_spec_uint64 ("row_id",
      71             :                                     &dc.row_id),
      72          32 :       GNUNET_PQ_result_spec_uint64 ("problem_row_id",
      73             :                                     &dc.problem_row_id),
      74          32 :       GNUNET_PQ_result_spec_string ("operation",
      75             :                                     &dc.operation),
      76          32 :       TALER_PQ_RESULT_SPEC_AMOUNT ("loss",
      77             :                                    &dc.loss),
      78          32 :       GNUNET_PQ_result_spec_auto_from_type ("operation_specific_pub",
      79             :                                             &dc.operation_specific_pub),
      80          32 :       GNUNET_PQ_result_spec_bool ("suppressed",
      81             :                                   &dc.suppressed),
      82             :       GNUNET_PQ_result_spec_end
      83             :     };
      84             :     enum GNUNET_GenericReturnValue rval;
      85             : 
      86          32 :     if (GNUNET_OK !=
      87          32 :         GNUNET_PQ_extract_result (result,
      88             :                                   rs,
      89             :                                   i))
      90             :     {
      91           0 :       GNUNET_break (0);
      92           0 :       dcc->qs = GNUNET_DB_STATUS_HARD_ERROR;
      93           0 :       return;
      94             :     }
      95          32 :     dcc->qs = i + 1;
      96          32 :     rval = dcc->cb (dcc->cb_cls,
      97             :                     &dc);
      98          32 :     GNUNET_PQ_cleanup_result (rs);
      99          32 :     if (GNUNET_OK != rval)
     100           0 :       break;
     101             :   }
     102             : }
     103             : 
     104             : 
     105             : enum GNUNET_DB_QueryStatus
     106          22 : TAH_PG_get_bad_sig_losses (
     107             :   void *cls,
     108             :   int64_t limit,
     109             :   uint64_t offset,
     110             :   bool return_suppressed,
     111             :   const struct GNUNET_CRYPTO_EddsaPublicKey *op_spec_pub,
     112             :   const char *op,
     113             :   TALER_AUDITORDB_BadSigLossesCallback cb,
     114             :   void *cb_cls)
     115             : {
     116          22 :   struct PostgresClosure *pg = cls;
     117          22 :   uint64_t plimit = (uint64_t) ((limit < 0) ? -limit : limit);
     118          22 :   struct GNUNET_PQ_QueryParam params[] = {
     119          22 :     GNUNET_PQ_query_param_uint64 (&offset),
     120          22 :     GNUNET_PQ_query_param_bool (return_suppressed),
     121          22 :     GNUNET_PQ_query_param_uint64 (&plimit),
     122             :     NULL == op_spec_pub
     123          22 :     ? GNUNET_PQ_query_param_null ()
     124          22 :     : GNUNET_PQ_query_param_auto_from_type (op_spec_pub),
     125             :     NULL == op
     126          22 :     ? GNUNET_PQ_query_param_null ()
     127          22 :     : GNUNET_PQ_query_param_string (op),
     128             :     GNUNET_PQ_query_param_end
     129             :   };
     130          22 :   struct BadSigLossesContext dcc = {
     131             :     .cb = cb,
     132             :     .cb_cls = cb_cls,
     133             :     .pg = pg
     134             :   };
     135             :   enum GNUNET_DB_QueryStatus qs;
     136             : 
     137          22 :   PREPARE (pg,
     138             :            "auditor_bad_sig_losses_get_desc",
     139             :            "SELECT"
     140             :            " row_id"
     141             :            ",problem_row_id"
     142             :            ",operation"
     143             :            ",loss"
     144             :            ",operation_specific_pub"
     145             :            ",suppressed"
     146             :            " FROM auditor_bad_sig_losses"
     147             :            " WHERE (row_id < $1)"
     148             :            " AND ($2 OR NOT suppressed)"
     149             :            " AND ($4::BYTEA IS NULL OR operation_specific_pub = $4)"
     150             :            " AND ($5::TEXT IS NULL OR operation = $5)"
     151             :            " ORDER BY row_id DESC"
     152             :            " LIMIT $3"
     153             :            );
     154          22 :   PREPARE (pg,
     155             :            "auditor_bad_sig_losses_get_asc",
     156             :            "SELECT"
     157             :            " row_id"
     158             :            ",problem_row_id"
     159             :            ",operation"
     160             :            ",loss"
     161             :            ",operation_specific_pub"
     162             :            ",suppressed"
     163             :            " FROM auditor_bad_sig_losses"
     164             :            " WHERE (row_id > $1)"
     165             :            " AND ($2 OR NOT suppressed)"
     166             :            " AND ($4::BYTEA IS NULL OR operation_specific_pub = $4)"
     167             :            " AND ($5::TEXT IS NULL OR operation = $5)"
     168             :            " ORDER BY row_id ASC"
     169             :            " LIMIT $3"
     170             :            );
     171          22 :   qs = GNUNET_PQ_eval_prepared_multi_select (
     172             :     pg->conn,
     173             :     (limit > 0)
     174             :     ? "auditor_bad_sig_losses_get_asc"
     175             :     : "auditor_bad_sig_losses_get_desc",
     176             :     params,
     177             :     &bad_sig_losses_cb,
     178             :     &dcc);
     179          22 :   if (qs > 0)
     180          22 :     return dcc.qs;
     181           0 :   GNUNET_break (GNUNET_DB_STATUS_HARD_ERROR != qs);
     182           0 :   return qs;
     183             : }

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